/**
* Parse a trigger specification string.
*
- * @param dev The device for which the trigger specification is intended.
+ * @param sdi The device instance for which the trigger specification is
+ * intended. Must not be NULL. Also, sdi->driver and
+ * sdi->driver->info_get must not be NULL.
* @param triggerstring The string containing the trigger specification for
* one or more probes of this device. Entries for multiple probes are
* comma-separated. Triggers are specified in the form key=value,